<template>
  <div id="app">
    <!-- v-for 把一组数据, 渲染成一组DOM -->
    <!-- 口诀: 让谁循环生成, v-for就写谁身上 -->
    <p>学生姓名</p>
    <ul>
      <li v-for="(item, index) in arr" :key="item">{{ index }} - {{ item }}</li>
    </ul>

    <p>学生详细信息</p>
    <ul>
      <li v-for="obj in stuArr" :key="obj.id">
        <span>{{ obj.name }}</span>
        <span>{{ obj.sex }}</span>
        <span>{{ obj.hobby }}</span>
      </li>
    </ul>

    <!-- v-for遍历对象(了解) -->
    <p>老师信息</p>
    <div v-for="(value, key) in tObj" :key="value">
      {{ key }} -- {{ value }}
    </div>

    <!-- v-for遍历整数(了解) - 从1开始 -->
    <p>序号</p>
    <div v-for="i in count" :key="i">{{ i }}</div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      arr: ["小明", "小欢欢", "大黄"],
      stuArr: [
        {
          id: 1001,
          name: "孙悟空",
          sex: "男",
          hobby: "吃桃子",
        },
        {
          id: 1002,
          name: "猪八戒",
          sex: "男",
          hobby: "背媳妇",
        },
      ],
      tObj: {
        name: "小黑",
        age: 18,
        class: "1期",
      },
      count: 10,
    };
  },
};
</script>

<style>
</style>
